0027_TD_AE_B6D_Build Setting the caster angle on the caster block is as easy as putting in a plastic insert. With the tab up on the #5 insert, as pictured, sets the overall caster at 30-degrees versus tab down 20-degrees if the tab was down. Never miss an issue of RC Car Action! Subscribe today with a Digital Edition subscription or Print + Digital combo! ← Previous Image Next Image →